.div-header{
    width: 100%;
    height: 41px;
    background-color: #b0b0b0;
    margin: 0 auto;
}
.div-header-mid{
    margin: 0 auto;
    width: 1226px;
    height: 41px;
    background-color: #b0b0b0;
}
.div-header-mid div{
    display: inline;
}
.div-header-left{
    float: left;
}
.div-header-right{
    float: right;
}